50mL of 0.4M CoCl2 (or 95.2g CoCl2.H2O/L ... Point out that the reaction is proceeding very slowly if at all (no gas bubbles visible). Pour 50mL of 0.4M cobalt chloride solution into a beaker to ...
60C works very well. Add 30mL of 30% hydrogen peroxide with stirring. Point out that the reaction is proceeding very slowly if at all (no gas bubbles visible). Pour 50mL of 0.4M cobalt chloride ...
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